Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Living Organisms (hierarchy name)
4. living organisms (entities)
5. Eukaryota (domain)
6. Animalia (kingdom)
7. Chordata (phylum)
8. Vertebrata (subphylum)
9. Reptilia (class)

Narrower term/s

• Mesosauria (extinct order) [NP]
• Pareisauria (extinct order) [NP]
• Procolophonia (extinct order)
• Testudines (order)[+]
  • tortoises
  • terrapins
  • sea turtles
  • Cryptodira (suborder) [+]
    • Cheloniidae (family) [+]
      • Eretmochelys (genus) [+]

Anotations

Scope note:

Subclass of reptiles having no temporal skull openings, no teeth in living members (although certain extinct species had teeth), being egg-laying, and having a body encased in bony shell. Dating from the Pennsylvanian to present.